Segmented arm for holding a stabilizing tissue device

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/02 (2006.01)

Patent

CA 2465147

A segmented arm support system and method for attachment to a surgical retractor includes an arm (14) having a plurality of segments (16) which can be joined together in frictional, locking engagement. In an unlocked state, the flexible arm (14) can be manually positioned and the stabilization device (22) placed over a localized area of tissue. Upon tightening of a cable (18) running through the segments (16), the segments (16) are brought together in frictional engagement. Each segment (16) has a convex outer wall (62) and a concave inner surface for attachment to adjacent segments. The segments (16) are constructed of a stainless steel substrate material and coated with a high friction plating material to permit frictional engagement of the segments, thereby allowing for adequate tightening and locking of the arm (14).

L'invention concerne un procédé et un système de support à bras conçu pour être relié à un écarteur chirurgical. Le système comprend un bras (14) pourvu d'une multitudes de segments (16) qui peuvent être reliés entre eux par engrènements par verrouillage et par frottement. A l'état déverrouillé, le bras flexible (14) peut être positionné manuellement et le dispositif de stabilisation (22) peut être placé par dessus une zone localisée du tissu. Au serrage d'un câble (18) courant à travers les segments (16), les segments (16) sont rassemblés en un engrènement par frottement. Chaque segment (16) présente une paroi extérieure convexe (62) et une surface interne concave pour permettre la liaison avec les segments adjacents. Les segments (16) sont constitués d'un matériau de support en acier inoxydable et ils sont recouverts d'un matériau de placage à coefficient de frottement élevé pour permettre l'engrènement par frottement des segments, assurant ainsi un resserage et un verrouillage appropriés du bras (14).

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